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Mr Zhu and a dozen other farmers from Xinqiao village of Shangqiu, Henan Province, showcased their sleek drones on November 21.

Pictures show the 30 drones lining up on a field, ready to take off.

The unmanned aircraft, known by its model name MG-1S, is produced by Shenzhen-based Da Jiang Innovation, one of the largest drone manufacturers in China.

Said to be one of the most popular drones for agricultural purposes in China, the £3,824 nimble machine can follow a pre-programmed flying route and is equipped with three radars - at the front, rear and bottom respectively.

The radars could help the drone avoid obstacles and detect the terrain for adjusting its height of flying.

New business idea: Zhu Xiwang and his neighbours, from Xinqiao village of Shangqiu, Henan Province, said they hoped their squad of agri-drones to could help them make money by helping the other farmers kills pests on their fields

Efficient: The drone, to be controlled via a wireless console, can carry 10 litres of pesticide, according to its manufacturer

The drone, to be controlled via a wireless console, can carry 10 litres of pesticide and is as efficient as 10 farmers for killing pests in the same amount of time.

Each of these pest-killing drones is fitted with four nozzles - a pair at the front and a pair at the rear - and can spray forwards, backwards and in both directions.

Apparently, farmers use a smart operation system to control the drone.

Smart machine: Farmers can use an online platform to control the settings of the drones and plan their flight route in advance

On the rise: While agri-drones have just started taking off in China, the technology is commonly used in America and Japan

China's neighbouring country Japan has been using the crop protection machines to tackle labour shortage

They could pre-plan the drone's flight route by holding the controller while walking on the field. The path would automatically be saved into an online system.

Next time when the farmers want to use the drone for the field, they could load up the route and set the amount of the pesticide to be used on the area.

While agri-drones have just started taking off in China, the technology is commonly used in America and Japan.

Another report from Huanqiu.com said that Japan has been using the crop protection machines to tackle labour shortage in agriculture industry.

JOBS THAT PAY LESS THAN $20 ARE AT RISK OF ROBOT TAKEOVER

In a recent McKinsey report, researchers analysed more than 2,000 work activities for over 800 occupations, looking at the amount of time spent on particular activities, and the feasibility of automating these tasks.

For jobs which involve performing predictable physical activities, the researchers say the feasibility of automation is roughly 78 percent.

For jobs which involve performing predictable physical activities, the researchers say the feasibility of automation is roughly 78 percent, but this is not the only factor to be considered when determining which jobs could soon be taken over by robots

The findings include:

59 percent of manufacturing activities could be automated. Within this field, the researchers say 90 percent of the activities of welders, cutters, solderers and brazers could be done by a robot.

73 percent of activities in food service and accommodations could be automated

53 percent of retail work could be automated; 47 percent of the salesperson’s job could be automated, while 86 percent of bookkeepers, accountant and auditing clerks has this potential

They also detailed the activities with low potential for automation:

Education

Healthcare, especially those which require expertise and direct contact with patients, like dental hygienist